安道麦B：境内上市外资股(B股)股票交易异常波动公告(英文版)

Stock Code: 000553(200553) Stock Abbreviation: ADAMA A (B) NO. 2026-15

ADAMA Ltd. Announcement on Abnormal Stock Trading Fluctuations of Domestically Listed Foreign Shares (B Shares)

The Company and all members of the Company’s Board of Directors confirm that all information disclosed herein is true, accurate and complete, with no false or misleading statement or material omission.

I. Overview about the Abnormal Stock Trading Fluctuations

The domestically listed foreign shares (B-share) of ADAMA Ltd. (hereinafter referred to as the “Company”, stock abbreviation: ADAMA B and stock code: 200553) experienced abnormal stock trading fluctuations defined in relevant provisions of Shenzhen Stock Exchange, which, to be specific, relates to a cumulative deviation of more than 20% when comparing its closing price increase with Shenzhen Composite Index for the past two consecutive trading days, namely April \(30th\) and May \(6^{th }\) , 2026.

II. Notes of the Company after Verifying Relevant Situation

In response to the abnormal fluctuation of the stock price, the Board of Directors of the Company has conducted a comprehensive self-examination and verified with the controlling shareholder in respect

of relevant situation. The following information is hereby provided.

1. There is no information disclosed by the Company in the previous period in need of correction and supplement.

2. As of the disclosure date of this Announcement, the Company has not found any recent coverage by any mass media on undisclosed information of material significance that may have or has had any substantive impact on its trading stock price.

3. Currently, the Company's business remains normal and there is no material change in the internal and external business environment.

4. The Company and its controlling shareholder do not have any material matters concerning itself that should be disclosed but have not been disclosed or any such matters that are under planning.

5. The controlling shareholder of the Company didn’t trade its shares during the period of abnormal stock fluctuations.

III. Explanation about Whether there is any Information that should be Disclosed but has not been Disclosed.

The Board of Directors of the Company confirms that currently, it does not have any matter that should be disclosed but has not been disclosed in accordance with provisions of the Rules Governing the Listing of Stocks of the Shenzhen Stock Exchange, or any planning, negotiation, intention or agreement relating to such matter.

The Board of Directors has not learnt that the Company has any undisclosed information that should be disclosed but has not been disclosed in accordance with provisions of the Rules Governing the Listing of Stocks of the Shenzhen Stock Exchange, which may have a substantive impact on its trading stock price as well as the derivatives.

There is also no information disclosed in the previous period that requires correction or supplementation.

IV. Risk Reminder

1. It is verified by self-examination the Company has no violation against fair disclosure of information.

2. As a serious reminder, the Company has designated “China Securities Journal”, “Securities Times” and CNINFO website (www.cninfo.com.cn) as the prevailing media for its information disclosure. Investors are hereby reminded to pay attention to investment risks.

ADAMA Ltd.

May 7th, 2026